what should be minimum distance between the source of the sound and reflector in water so that the echo is heard distinctly?(speed of sound in water is is 1450 m/ s).
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Answered by
1
Answer:
aadha hota hai distance speed if light ke
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Answered by
4
Answer:
72.5m
Explanation:
velocity = time/distace
1400×0.1÷2
= 72.5
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